ASTM_C_497M_-_19.pdf

Designation:C497M19Standard Test Methods forConcrete Pipe,Concrete Box Sections,Manhole Sections,or Tile(Metric)1This standard is issued under the fixed designation C497M;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 These test methods cover testing of concrete pipe,concrete box sections,manhole sections,and tile.The testmethods described are used in production testing and accep-tance testing to evaluate the properties provided for in thespecifications.1.2 The test methods appear in the following order:SectionExternal Load Crushing Strength4Flat Slab Top5Core Strength6Absorption7Hydrostatic8Permeability9Manhole Step10Cylinder11Gasket Lubricant12Joint Shear13Alkalinity14Gasket Measurements15Off-Center Hydrostatic Joint Test16Hydrostatic External Joint Test Method17Welded Splice Pull Test181.3 The test specimens shall not have been exposed to atemperature below 4C for the 24 h immediately preceding thetest.1.4 If any test specimen fails because of mechanical reasonssuch as failure of testing equipment or improper specimenpreparation,it shall be discarded and another specimen taken.1.5 Specimens shall be selected in accordance with thespecifications for the type of pipe or tile being tested.1.6 These methods are the metric companion of Test Meth-ods C497.1.7 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C31/C31M Practice for Making and Curing Concrete TestSpecimens in the FieldC39/C39M Test Method for Compressive Strength of Cylin-drical Concrete SpecimensC42/C42M Test Method for Obtaining and Testing DrilledCores and Sawed Beams of ConcreteC617 Practice for Capping Cylindrical Concrete SpecimensC670 Practice for Preparing Precision and Bias Statementsfor Test Methods for Construction MaterialsC822 Terminology Relating to Concrete Pipe and RelatedProductsC1231/C1231M Practice for Use of Unbonded Caps inDetermination of Compressive Strength of Hardened Cy-lindrical Concrete SpecimensD2240 Test Method for Rubber PropertyDurometer Hard-nessE4 Practices for Force Verification of Testing Machines3.Terminology3.1 DefinitionsFor definitions of terms relating to concretepipe,see Terminology C822.4.External Load Crushing Strength Test by the Three-Edge Bearing Test Method4.1 Summary of Test MethodThe test specimen is tested ina machine designed to apply a crushing force upon the1These test methods are under the jurisdiction of ASTM Committee C13 onConcrete Pipe and are the direct responsibility of Subcommittee C13.09 on Methodsof Test.Current edition approved Jan.1,2019.Published January 2019.Originallyapproved in 1980.Last previous edition approved in 2018 as C497M 18.DOI:10.1520/C0497M-19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 specimen in a plane through the vertical axis extending alongthe length of the specimen.4.2 Significance and UseThe crushing test method shallbe either a quality control test performed to establish that thefinished,shippable pipe has sufficient strength to withstand thecrushing loads stated in the specifications or a proof of designtest performed to prove the adequacy of design.4.3 Apparatus:4.3.1 The testing machine shall be of any type of sufficientcapacity and shall be capable of providing the rate of loadingprescribed in 4.5.3.4.3.2 The testing machine shall be substantial and rigidthroughout,so that the distribution of the load will not beaffected appreciably by the deformation or yielding of any part.4.3.3 The three-edge-bearing method of loading sh